ubi-utils: massive changes

This commit basically removes most of the old ubi utilities
as they are barely maintainamble.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 15 insertions, 32 deletions

diff --git a/ubi-utils/src/crc32.h b/ubi-utils/src/crc32.h
index 31362b0..ee3145b 100644
--- a/ubi-utils/src/crc32.h
+++ b/ubi-utils/src/crc32.h
@@ -1,36 +1,19 @@
-#ifndef __CRC32_H__
-#define __CRC32_H__
-/*
- * Copyright (c) International Business Machines Corp., 2006
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
+#ifndef CRC32_H
+#define CRC32_H
 
-/*
- * Author: Thomas Gleixner
- *
- * CRC32 functions
- *
- * Can be compiled as seperate object, but is included into the ipl source
- * so gcc can inline the functions. We optimize for size so the omission of
- * the function frame is helpful.
- *
- */
 #include <stdint.h>
 
-void init_crc32_table(uint32_t *table);
-uint32_t clc_crc32(uint32_t *table, uint32_t crc, void *buf, int len);
+extern const uint32_t crc32_table[256];
 
-#endif /* __CRC32_H__ */
+/* Return a 32-bit CRC of the contents of the buffer. */
+
+	static inline uint32_t
+crc32(uint32_t val, const void *ss, int len)
+{
+	const unsigned char *s = ss;
+	while (--len >= 0)
+		val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8);
+	return val;
+}
+
+#endif